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The only purpose for which a particular type of tape is [#permalink]
27 Jul 2008, 21:41

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The only purpose for which a particular type of tape is needed is to hold certain surgical" wounds closed for ten days—the maximum time such wounds need tape. Newtape is a,new brand of this type of tape. Newtape's salespeople claim that Newtape will improve healing because Newtape adheres twice as s long as the currently used tape does.

Which of the following statements, if true, would most seriously call into question the claim made by Newtape's salespeople?

(A) Most surgical wounds take about ten days to heal.(B) Most surgical tape is purchased by hospitals and clinics rather than by individual surgeons.(C) The currently used tape's adhesiveness is more than sufficient to hold wounds closed for ten days.(D) Neither Newtape nor the currently used tape adheres well to skin that has not been cleaned.(E) Newtape's adhesion to skin that has been coatedwith a special chemical preparation is only half asgood as the currently used tape's adhesion to suchcoated skin.

The only purpose for which a particular type of tape is needed is to hold certain surgical" wounds closed for ten days—the maximum time such wounds need tape. Newtape is a,new brand of this type of tape. Newtape's salespeople claim that Newtape will improve healing because Newtape adheres twice as s long as the currently used tape does.

Which of the following statements, if true, would most seriously call into question the claim made by Newtape's salespeople?

(A) Most surgical wounds take about ten days to heal.(B) Most surgical tape is purchased by hospitals and clinics rather than by individual surgeons.(C) The currently used tape's adhesiveness is more than sufficient to hold wounds closed for ten days.(D) Neither Newtape nor the currently used tape adheres well to skin that has not been cleaned.(E) Newtape's adhesion to skin that has been coatedwith a special chemical preparation is only half asgood as the currently used tape's adhesion to suchcoated skin.

(A) Most surgical wounds take about ten days to heal- This just reiterates, does not weaken the claim.(B) Most surgical tape is purchased by hospitals and clinics rather than by individual surgeons- This statement is irrelevant(C) The currently used tape's adhesiveness is more than sufficient to hold wounds closed for ten days- This weakens the claim of the sales people. According to them, "Newtape will improve healing because Newtape adheres twice as s long as the currently used tape does", albeit, the maximum time such wounds need a tape is 10 days. Hence, if we know that the currently, used tapes is sufficient enough for 10 days, then, the new tapes might not provide better healing effect due to longer periods of adhesion.(D) Neither Newtape nor the currently used tape adheres well to skin that has not been cleaned- Irrelvant.(E) Newtape's adhesion to skin that has been coated with a special chemical preparation is only half as good as the currently used tape's adhesion to such coated skin- This actually contradicts to one of the premise though it brings in an extra variation (coated skin).

Hence (C). _________________

To find what you seek in the road of life, the best proverb of all is that which says:"Leave no stone unturned." -Edward Bulwer Lytton